UBUNTU-CVE-2021-2076

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Source
https://ubuntu.com/security/CVE-2021-2076
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-2076.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-2076
Upstream
Downstream
Related
Published
2021-01-20T15:15:00Z
Modified
2025-09-08T16:46:41Z
Severity
  • 4.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.22 and prior. Easily exploitable vulnerability allows high privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 4.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

References

Affected packages

Ubuntu:Pro:14.04:LTS / mysql-5.5

Package

Name
mysql-5.5
Purl
pkg:deb/ubuntu/mysql-5.5@5.5.62-0ubuntu0.14.04.1?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.5.32-0ubuntu7
5.5.34-0ubuntu1
5.5.34-0ubuntu2
5.5.35-0ubuntu1
5.5.35+dfsg-1ubuntu1
5.5.37-0ubuntu0.14.04.1
5.5.38-0ubuntu0.14.04.1
5.5.40-0ubuntu0.14.04.1
5.5.41-0ubuntu0.14.04.1
5.5.43-0ubuntu0.14.04.1
5.5.44-0ubuntu0.14.04.1
5.5.46-0ubuntu0.14.04.2
5.5.47-0ubuntu0.14.04.1
5.5.49-0ubuntu0.14.04.1
5.5.50-0ubuntu0.14.04.1
5.5.52-0ubuntu0.14.04.1
5.5.53-0ubuntu0.14.04.1
5.5.54-0ubuntu0.14.04.1
5.5.55-0ubuntu0.14.04.1
5.5.57-0ubuntu0.14.04.1
5.5.58-0ubuntu0.14.04.1
5.5.59-0ubuntu0.14.04.1
5.5.60-0ubuntu0.14.04.1
5.5.61-0ubuntu0.14.04.1
5.5.62-0ubuntu0.14.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmysqlclient-dev",
            "binary_version": "5.5.62-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "libmysqlclient18",
            "binary_version": "5.5.62-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "libmysqld-dev",
            "binary_version": "5.5.62-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "libmysqld-pic",
            "binary_version": "5.5.62-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "mysql-client",
            "binary_version": "5.5.62-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "mysql-client-5.5",
            "binary_version": "5.5.62-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "mysql-client-core-5.5",
            "binary_version": "5.5.62-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "mysql-common",
            "binary_version": "5.5.62-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "mysql-server",
            "binary_version": "5.5.62-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "mysql-server-5.5",
            "binary_version": "5.5.62-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "mysql-server-core-5.5",
            "binary_version": "5.5.62-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "mysql-source-5.5",
            "binary_version": "5.5.62-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "mysql-testsuite",
            "binary_version": "5.5.62-0ubuntu0.14.04.1"
        },
        {
            "binary_name": "mysql-testsuite-5.5",
            "binary_version": "5.5.62-0ubuntu0.14.04.1"
        }
    ]
}

Ubuntu:Pro:16.04:LTS / mariadb-10.0

Package

Name
mariadb-10.0
Purl
pkg:deb/ubuntu/mariadb-10.0@10.0.38-0ubuntu0.16.04.1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

10.*

10.0.20-0ubuntu0.15.04.1
10.0.22-0ubuntu1
10.0.23-1
10.0.23-2
10.0.24-7
10.0.25-0ubuntu0.16.04.1
10.0.27-0ubuntu0.16.04.1
10.0.28-0ubuntu0.16.04.1
10.0.29-0ubuntu0.16.04.1
10.0.31-0ubuntu0.16.04.2
10.0.33-0ubuntu0.16.04.1
10.0.34-0ubuntu0.16.04.1
10.0.36-0ubuntu0.16.04.1
10.0.38-0ubuntu0.16.04.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmariadbd-dev",
            "binary_version": "10.0.38-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "libmariadbd18",
            "binary_version": "10.0.38-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "mariadb-client",
            "binary_version": "10.0.38-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "mariadb-client-10.0",
            "binary_version": "10.0.38-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "mariadb-client-core-10.0",
            "binary_version": "10.0.38-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "mariadb-common",
            "binary_version": "10.0.38-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "mariadb-plugin-connect",
            "binary_version": "10.0.38-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "mariadb-plugin-mroonga",
            "binary_version": "10.0.38-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "mariadb-plugin-oqgraph",
            "binary_version": "10.0.38-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "mariadb-plugin-spider",
            "binary_version": "10.0.38-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "mariadb-plugin-tokudb",
            "binary_version": "10.0.38-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "mariadb-server",
            "binary_version": "10.0.38-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "mariadb-server-10.0",
            "binary_version": "10.0.38-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "mariadb-server-core-10.0",
            "binary_version": "10.0.38-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "mariadb-test",
            "binary_version": "10.0.38-0ubuntu0.16.04.1"
        },
        {
            "binary_name": "mariadb-test-data",
            "binary_version": "10.0.38-0ubuntu0.16.04.1"
        }
    ]
}

Ubuntu:Pro:16.04:LTS / percona-server-5.6

Package

Name
percona-server-5.6
Purl
pkg:deb/ubuntu/percona-server-5.6@5.6.22-rel71.0-0ubuntu4.1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.6.22-rel71.0-0ubuntu2
5.6.22-rel71.0-0ubuntu4
5.6.22-rel71.0-0ubuntu4.1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "percona-server-server",
            "binary_version": "5.6.22-rel71.0-0ubuntu4.1"
        },
        {
            "binary_name": "percona-server-server-5.6",
            "binary_version": "5.6.22-rel71.0-0ubuntu4.1"
        },
        {
            "binary_name": "percona-server-source-5.6",
            "binary_version": "5.6.22-rel71.0-0ubuntu4.1"
        },
        {
            "binary_name": "percona-server-test",
            "binary_version": "5.6.22-rel71.0-0ubuntu4.1"
        },
        {
            "binary_name": "percona-server-test-5.6",
            "binary_version": "5.6.22-rel71.0-0ubuntu4.1"
        }
    ]
}

Ubuntu:Pro:16.04:LTS / percona-xtradb-cluster-5.6

Package

Name
percona-xtradb-cluster-5.6
Purl
pkg:deb/ubuntu/percona-xtradb-cluster-5.6@5.6.37-26.21-0ubuntu0.16.04.2?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.6.21-25.8-0ubuntu2
5.6.21-25.8-0ubuntu3
5.6.21-25.8-0ubuntu3.1
5.6.21-25.8-0ubuntu3.2
5.6.34-26.19-0ubuntu0.16.04.1
5.6.34-26.19-0ubuntu0.16.04.2
5.6.37-26.21-0ubuntu0.16.04.1
5.6.37-26.21-0ubuntu0.16.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "percona-xtradb-cluster-server",
            "binary_version": "5.6.37-26.21-0ubuntu0.16.04.2"
        },
        {
            "binary_name": "percona-xtradb-cluster-server-5.6",
            "binary_version": "5.6.37-26.21-0ubuntu0.16.04.2"
        },
        {
            "binary_name": "percona-xtradb-cluster-source-5.6",
            "binary_version": "5.6.37-26.21-0ubuntu0.16.04.2"
        }
    ]
}

Ubuntu:20.04:LTS / mysql-8.0

Package

Name
mysql-8.0
Purl
pkg:deb/ubuntu/mysql-8.0@8.0.23-0ubuntu0.20.04.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
8.0.23-0ubuntu0.20.04.1

Affected versions

8.*

8.0.17-0ubuntu2
8.0.17-0ubuntu3
8.0.18-0ubuntu3
8.0.18-0ubuntu4
8.0.18-0ubuntu5
8.0.19-0ubuntu2
8.0.19-0ubuntu3
8.0.19-0ubuntu4
8.0.19-0ubuntu5
8.0.20-0ubuntu0.20.04.1
8.0.21-0ubuntu0.20.04.3
8.0.21-0ubuntu0.20.04.4
8.0.22-0ubuntu0.20.04.2
8.0.22-0ubuntu0.20.04.3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmysqlclient-dev",
            "binary_version": "8.0.23-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "libmysqlclient21",
            "binary_version": "8.0.23-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "mysql-client",
            "binary_version": "8.0.23-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "mysql-client-8.0",
            "binary_version": "8.0.23-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "mysql-client-core-8.0",
            "binary_version": "8.0.23-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "mysql-router",
            "binary_version": "8.0.23-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "mysql-server",
            "binary_version": "8.0.23-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "mysql-server-8.0",
            "binary_version": "8.0.23-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "mysql-server-core-8.0",
            "binary_version": "8.0.23-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "mysql-source-8.0",
            "binary_version": "8.0.23-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "mysql-testsuite",
            "binary_version": "8.0.23-0ubuntu0.20.04.1"
        },
        {
            "binary_name": "mysql-testsuite-8.0",
            "binary_version": "8.0.23-0ubuntu0.20.04.1"
        }
    ],
    "availability": "No subscription required"
}